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Cake day: August 8th, 2023

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  • Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:

    Fewer Letters More Letters
    FAA Federal Aviation Administration
    GSE Ground Support Equipment
    HLS Human Landing System (Artemis)
    KSC Kennedy Space Center, Florida
    LC-39A Launch Complex 39A, Kennedy (SpaceX F9/Heavy)
    LN2 Liquid Nitrogen
    LOX Liquid Oxygen
    NET No Earlier Than
    NSF NasaSpaceFlight forum
    ~ National Science Foundation
    OLM Orbital Launch Mount
    QD Quick-Disconnect
    RTLS Return to Launch Site
    RUD Rapid Unplanned Disassembly
    ~ Rapid Unscheduled Disassembly
    ~ Rapid Unintended Disassembly
    SPMT Self-Propelled Mobile Transporter
    ULA United Launch Alliance (Lockheed/Boeing joint venture)
    WDR Wet Dress Rehearsal (with fuel onboard)
    Jargon Definition
    Raptor Methane-fueled rocket engine under development by SpaceX
    ablative Material which is intentionally destroyed in use (for example, heatshields which burn away to dissipate heat)
    cryogenic Very low temperature fluid; materials that would be gaseous at room temperature/pressure
    ~ (In re: rocket fuel) Often synonymous with hydrolox
    hydrolox Portmanteau: liquid hydrogen fuel, liquid oxygen oxidizer
    regenerative A method for cooling a rocket engine, by passing the cryogenic fuel through channels in the bell or chamber wall
    tanking Filling the tanks of a rocket stage
    turbopump High-pressure turbine-driven propellant pump connected to a rocket combustion chamber; raises chamber pressure, and thrust

    [Thread #44 for this sub, first seen 22nd May 2024, 05:20] [FAQ] [Full list] [Contact] [Source code]












  • Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:

    Fewer Letters More Letters
    FAA Federal Aviation Administration
    FTS Flight Termination System
    HLS Human Landing System (Artemis)
    KSC Kennedy Space Center, Florida
    LC-39A Launch Complex 39A, Kennedy (SpaceX F9/Heavy)
    LOX Liquid Oxygen
    NET No Earlier Than
    NOTAM Notice to Air Missions of flight hazards
    NSF NasaSpaceFlight forum
    ~ National Science Foundation
    OFT Orbital Flight Test
    OLM Orbital Launch Mount
    QD Quick-Disconnect
    RUD Rapid Unplanned Disassembly
    ~ Rapid Unscheduled Disassembly
    ~ Rapid Unintended Disassembly
    SPMT Self-Propelled Mobile Transporter
    TFR Temporary Flight Restriction
    TPS Thermal Protection System for a spacecraft (on the Falcon 9 first stage, the engine “Dance floor”)
    WDR Wet Dress Rehearsal (with fuel onboard)
    Jargon Definition
    Raptor Methane-fueled rocket engine under development by SpaceX
    Starlink SpaceX’s world-wide satellite broadband constellation
    iron waffle Compact “waffle-iron” aerodynamic control surface, acts as a wing without needing to be as large; also, “grid fin”
    tanking Filling the tanks of a rocket stage

    21 acronyms in this thread; the most compressed thread commented on today has 10 acronyms.

    [Thread #33 for this sub, first seen 5th Mar 2024, 05:50] [FAQ] [Full list] [Contact] [Source code]



  • Decronym@lemmy.decronym.xyzBtoSpaceX@sh.itjust.worksS28 stacked on B10
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    5 months ago

    Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:

    Fewer Letters More Letters
    BE-4 Blue Engine 4 methalox rocket engine, developed by Blue Origin (2018), 2400kN
    ETOV Earth To Orbit Vehicle (common parlance: “rocket”)
    HLS Human Landing System (Artemis)
    LV Launch Vehicle (common parlance: “rocket”), see ETOV
    Jargon Definition
    Raptor Methane-fueled rocket engine under development by SpaceX
    methalox Portmanteau: methane fuel, liquid oxygen oxidizer

    4 acronyms in this thread; the most compressed thread commented on today has 15 acronyms.

    [Thread #31 for this sub, first seen 12th Feb 2024, 15:20] [FAQ] [Full list] [Contact] [Source code]



  • Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:

    Fewer Letters More Letters
    FAA Federal Aviation Administration
    FTS Flight Termination System
    GSE Ground Support Equipment
    KSC Kennedy Space Center, Florida
    LN2 Liquid Nitrogen
    LOX Liquid Oxygen
    NET No Earlier Than
    NSF NasaSpaceFlight forum
    ~ National Science Foundation
    OLIT Orbital Launch Integration Tower
    OLM Orbital Launch Mount
    OTF Orbital Tank Farm
    QD Quick-Disconnect
    RUD Rapid Unplanned Disassembly
    ~ Rapid Unscheduled Disassembly
    ~ Rapid Unintended Disassembly
    SLC-37 Space Launch Complex 37, Canaveral (ULA Delta IV)
    SPMT Self-Propelled Mobile Transporter
    TPS Thermal Protection System for a spacecraft (on the Falcon 9 first stage, the engine “Dance floor”)
    ULA United Launch Alliance (Lockheed/Boeing joint venture)
    VAB Vehicle Assembly Building
    WDR Wet Dress Rehearsal (with fuel onboard)
    Jargon Definition
    Raptor Methane-fueled rocket engine under development by SpaceX
    iron waffle Compact “waffle-iron” aerodynamic control surface, acts as a wing without needing to be as large; also, “grid fin”
    turbopump High-pressure turbine-driven propellant pump connected to a rocket combustion chamber; raises chamber pressure, and thrust

    [Thread #29 for this sub, first seen 13th Jan 2024, 05:40] [FAQ] [Full list] [Contact] [Source code]